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當承受地(di)震(zhen)作用時,應采(cai)(cai)用雙螺母固(gu)定,或采(cai)(cai)用其它(ta)有效防止松動的措(cuo)施,但地(di)腳螺栓...
u型(xing)(xing)螺(luo)絲常用規格(ge)型(xing)(xing)號,m16u型(xing)(xing)螺(luo)栓(shuan)規格(ge)表大全,卡盤u型(xing)(xing)螺(luo)栓(shuan)生產廠家,國標u...
雙(shuang)頭(tou)螺栓(shuan)(shuan)型號及(ji)尺寸規格表,10.9級雙(shuang)頭(tou)螺栓(shuan)(shuan)生(sheng)產(chan)廠家,雙(shuang)頭(tou)螺柱標(biao)準規格大全,...
u型(xing)螺(luo)栓的(de)標(biao)準,m20u型(xing)螺(luo)栓規(gui)格(ge)表大全(quan),u型(xing)壓板(ban)螺(luo)栓,預埋u型(xing)螺(luo)栓生產廠家(jia)
單頭(tou)(tou)螺(luo)(luo)栓(shuan)與雙(shuang)頭(tou)(tou)螺(luo)(luo)栓(shuan)區(qu)別,35crmoa雙(shuang)頭(tou)(tou)螺(luo)(luo)栓(shuan),國(guo)標(biao)35CrMoa雙(shuang)頭(tou)(tou)螺(luo)(luo)栓(shuan),...
u型螺(luo)栓(shuan)規格型號表,gb4321標準u型螺(luo)栓(shuan),8.8級u型螺(luo)栓(shuan)生產公(gong)司,懸挑...